Home / 7,995.16-11,985.44-2,798.20

Finding the Fourth Proportional to 7,995.16, 11,985.44 and 2,798.20

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Solution

The fourth proportional to 7,995.16, 11,985.44 and 2,798.20 is: 4,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.16 : 11,985.44 = 2,798.20 : x
  2. Step 2: Convert to fraction form
    7,995.16/11,985.44 = 2,798.20/x
  3. Step 3: Cross multiply
    7,995.16x = 11,985.44 × 2,798.20
  4. Step 4: Simplify right side
    7,995.16x = 33,537,644.22
  5. Step 5: Solve for x
    x = 33,537,644.22/7,995.16
  6. Step 6: Final answer
    x = 4,194.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.